Patent · US Active

Absorbent core, articles comprising said core, and methods of making

US11712378B2 · kind B2 · utility

0Cited by

8References

18Claims

0Family size

Assignee

ONTEX GROUP NV · BE

Inventors

Ainas WEBER · Bad Neuenahr-Ahrweiler, DE
Manfred BREU · Luxem, DE
Christel MAILINGER · Elz, DE
Thomas HEEGE · Düngenheim, DE

Key dates

Filing date	Dec 27, 2017
Grant date	Aug 1, 2023
Priority date	—
Expiry date	Oct 3, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2713/00
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An absorbent core comprising a front portion; a back portion; a middle portion positioned between the front portion and the back portion; and a longitudinal axis extending along a length of said core and crossing said front, middle and back portions, the absorbent core having a width extending perpendicular to said length and a perimeter comprising at least two opposing ends and at least two opposing sides positioned between said ends wherein the absorbent core comprises one or more channels having a first shape when the absorbent core is in dry state and a second shape when the absorbent core is in wet state and wherein said first and second shapes are different.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.